140537903 has 4 divisors (see below), whose sum is σ = 153314088. Its totient is φ = 127761720.

The previous prime is 140537893. The next prime is 140537933. The reversal of 140537903 is 309735041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140537903 - 2⁸ = 140537647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140537903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140537933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6388076 + ... + 6388097.

It is an arithmetic number, because the mean of its divisors is an integer number (38328522).

Almost surely, 2^140537903 is an apocalyptic number.

140537903 is a deficient number, since it is larger than the sum of its proper divisors (12776185).

140537903 is a wasteful number, since it uses less digits than its factorization.

140537903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12776184.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 140537903 is about 11854.8683248697. The cubic root of 140537903 is about 519.9135741474.

The spelling of 140537903 in words is "one hundred forty million, five hundred thirty-seven thousand, nine hundred three".